Aquired Dyslexia

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processing routes, the Non Lexical Route and the Lexical route.
A model produced based on theories from Coltheart (1981) shows that there are several routes to speech production in the brain. The eye first identifies the printed word. In the adult skilled reader the eye does not move in a smooth pattern but actually jumps to certain focus points in a sentence the brain itself actually fills in the missing words. It does this by top down processing in which the brain applies words to the sentence to make the overall meaning correct. The eye does not move smoothly but actually jumps from point to point. The term given to the period when the eye is stationary and focused on a particular point is called a fixation. It is at these fixations when the eye takes up the information. The jumping movements are known as saccades. Javal (1887) first used this term. This jumping in saccades allows information to be processed faster. However it is believed that little or no information is taken ...

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letter templates contains sets of distinctive features which letters can be identified by. The written information is believed to enter the first processing unit of the reading model known as “The Abstract Letter Identification “ unit. The information then has a choice of two routes from here. It can pass directly to the “Letter Naming” unit from which spoken letter names can be produced directly. On the other hand the information can pass to the “Word Recognition” unit (identified by McClelland and Rumelhart (1981) and Morron (1979)) or the “Non Lexical Phonological” unit. If the information passes to the “Word Recognition” unit it can either pass to the “Word Comprehension” ...

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